18080218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 30227904

約数和(自身を除く): 12147686

約数列:

[1, 2, 13, 26, 67, 97, 107, 134, 194, 214, 871, 1261, 1391, 1742, 2522, 2782, 6499, 7169, 10379, 12998, 14338, 20758, 84487, 93197, 134927, 168974, 186394, 269854, 695393, 1390786, 9040109, 18080218]

約数ペア:

[(1, 18080218), (2, 9040109), (13, 1390786), (26, 695393), (67, 269854), (97, 186394), (107, 168974), (134, 134927), (194, 93197), (214, 84487), (871, 20758), (1261, 14338), (1391, 12998), (1742, 10379), (2522, 7169), (2782, 6499)]